A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 4140-00-179-0200
NSN 5915-01-547-7794
NSN 5905-01-164-6299
NSN 5960-01-641-5493
NSN 5990-01-196-2953
NSN 5930-01-142-4242
NSN 5835-01-502-9228
NSN 5965-00-698-0433
NSN 5935-00-128-8728
NSN 6145-01-328-4596
NSN 6685-01-394-3330
NSN 6620-01-065-8265